pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.4	IUPAC digitized pKa	1	0	Cc1ccc(NC(N)=[NH2+])cc1	Cc1ccc(NC(=N)N)cc1	mol6201	Cc1ccc(NC(=N)N)cc1